Home / 843,316.28-1,163,785.64-461,334.86

Finding the Fourth Proportional to 843,316.28, 1,163,785.64 and 461,334.86

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Solution

The fourth proportional to 843,316.28, 1,163,785.64 and 461,334.86 is: 636,647.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,316.28 : 1,163,785.64 = 461,334.86 : x
  2. Step 2: Convert to fraction form
    843,316.28/1,163,785.64 = 461,334.86/x
  3. Step 3: Cross multiply
    843,316.28x = 1,163,785.64 × 461,334.86
  4. Step 4: Simplify right side
    843,316.28x = 536,894,877,173.81
  5. Step 5: Solve for x
    x = 536,894,877,173.81/843,316.28
  6. Step 6: Final answer
    x = 636,647.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.